Hydraulic wrench



FIG. 1 is a top plan view of a hydraulic wrench showing my new design;

FIG. 2 is a front elevational view of an alternate embodiment thereof, the only difference residing in the inclusion of a switch in the ribbed area;

FIG. 3 is a right side elevational view of the design of FIG. 1;

FIG. 4 is a rear elevational view of the design of FIG. 1;

FIG. 5 is a left side elevational view of the design of FIG. 1; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a hydraulic wrench, as shown and described. 